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Acceptable Solution B1/AS1: Structural provisions for houses and small buildings

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Abbreviation
B1/AS1 (Second edition)
Version
Second edition
Valid from
28/07/2025
Information provider
Ministry of Business, Innovation and Employment,
Information type
Acceptable Solution,
Format
PDF,
Cites
This resource cites 15 documents (show Citations)
Description

B1 Structure Acceptable Solution B1/AS1 Second Edition provides a compliance pathway for meeting the structural performance requirements of Clause B1 of the New Zealand Building Code, specifically for houses and small buildings.

Scope
This acceptable solution can be used to determine the structural provisions for houses and small buildings along with other specific building elements including:
  • a) masonry buildings; and
  • b) steel buildings; and
  • c) timber buildings; and
  • d) earth buildings; and
  • e) stucco; and
  • f) drains; and
  • g) glazing.
Items outside the scope of this document:
  • provisions for small chimneys. For small chimneys, refer to Acceptable Solution B1/AS3 or use an alternative means to demonstrate compliance.
  • foundations where good ground has not been established and where houses are built on ground that has the potential for liquefaction or lateral spread.

 

Previous versions:
B1/AS1 (Amd 21) (First Edition, Amendment 21)
B1/AS1 (Amd 20) (First edition, Amendment 20)
B1/AS1 (Amd 19) (First edition, Amendment 19)
B1/AS1 (Amd 18) (First Edition, Amendment 18)
B1/AS1 (Amd 17) (First Edition, Amendment 17)
B1/AS1 (Amd 16) (First edition, Amendment 16)
B1/AS1 (Amd 15) (First Edition, Amendment 15)
B1/AS1 (Amd 14) (First edition, Amendment 14)
B1/AS1 (Amd 13) (First edition, Amendment 13)
B1/AS1 (Amd 12) (First edition, Amendment 12)
B1/AS1 (Amd 11) (First edition, Amendment 11)
B1/AS1 (Amd 10) (First edition, Amendment 10)
For assistance with locating previous versions, please contact the information provider.
Notes/comments

The second edition has been published in standalone format with improved clarity, consistent structure, and updated terminology.

The acceptable solution references the Building Product Specifications.

The second edition also includes minor amendments to correct formatting, grammar, and cross-references.

View on Information Provider website Download this resource (PDF, 607KB)
For assistance with locating previous versions, please contact the information provider.

The second edition has been published in standalone format with improved clarity, consistent structure, and updated terminology.

The acceptable solution references the Building Product Specifications.

The second edition also includes minor amendments to correct formatting, grammar, and cross-references.

This resource is not cited by any other resources.

Acceptable Solution B1/AS1: Structural provisions for houses and small buildings

This document is not CITED BY any other resources:

Acceptable Solution B1/AS1: Structural provisions for houses and small buildings

Description

B1 Structure Acceptable Solution B1/AS1 Second Edition provides a compliance pathway for meeting the structural performance requirements of Clause B1 of the New Zealand Building Code, specifically for houses and small buildings.

View on Information Provider website Download this resource (PDF, 607KB)
Acceptable Solution B1/AS1: Structural provisions for houses and small buildings
Description

B1 Structure Acceptable Solution B1/AS1 Second Edition provides a compliance pathway for meeting the structural performance requirements of Clause B1 of the New Zealand Building Code, specifically for houses and small buildings.

View on Information Provider website Download this resource (PDF, 607KB)
This resource cites:

Acceptable Solution B1/AS1: Structural provisions for houses and small buildings

This document CITES:
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